啥是不买double? 正反都买?
所有跟帖:
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i think she meant double long or double short ETFs, like qid
-clipmom-
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06/07/2010 postreply
15:14:38
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又来个专家。你对俺上面hedge的问题怎么看?
--realblue--
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06/07/2010 postreply
15:14:38
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丢钱专家是真的。我也觉得hedge意义不大,不过
-clipmom-
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06/07/2010 postreply
15:14:38